September 2021: Knight Moves 4
August 2021: Robot Tug-of-War
July 2021: It's Symmetric 2
June 2021: Robot Weightlifting
May 2021: Past Tens
April 2021: Bracketology 101
March 2021: Tit for Tat
February 2021: Hooks #7
January 2021: Figurine Figuring
December 2020: Twenty Four Seven 2-by-2 #2